Patents by Inventor David Chandler Platt

David Chandler Platt has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Apparatus and method capable of restricting access to a data storage device
    Patent number: 6487646
    Abstract: The present invention is related to a data storage device capable of restricting access to data storage or retrieval when a first code is incompatible with a second code. The data storage device comprises (a) a data storage media having a data storage region; and (b) a controller adapted to compare a first code with a second code and to restrict access to a portion of the data storage region of the data storage device if the first code is incompatible with the second code.
    Type: Grant
    Filed: February 29, 2000
    Date of Patent: November 26, 2002
    Assignees: Maxtor Corporation, TiVo, Inc.
    Inventors: Donald Adams, David Chandler Platt, Tain-Shain Lee, Stephen Lacey